Table 4.
Intra-class correlation and coefficient of variation for various echocardiographic parameters
| Echocardiographic parameter | Study group | Intra-class correlation coefficient | Coefficient of variation (%) |
|---|---|---|---|
| Global longitudinal strain |
Cases |
0.85 |
7.5 |
| |
Controls |
0.83 |
8.1 |
| Strain rate |
Cases |
0.76 |
9.1 |
| |
Controls |
0.79 |
8.8 |
| Stroke volume |
Cases |
0.82 |
8.3 |
| |
Controls |
0.8 |
8.4 |
| Fractional shortening |
Cases |
0.8 |
8.6 |
| |
Controls |
0.82 |
8.1 |
| Transmitral Doppler |
Cases |
0.85 |
7.1 |
| Controls | 0.82 | 7.8 |